Scrub brush



FIG. 1 is a top perspective view of a scrub brush;

FIG. 2 is a bottom perspective view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a right side elevational view thereof; and,

FIG. 6 is a front elevational view thereof.

The broken lines shown in the drawings illustrate features of the article in which the design is embodied that form no part of the claim.

A left side elevational view is not shown because it is identical to the right side elevational view shown in FIG. 5. A rear elevational view is not shown because it is identical to the front elevational view shown in FIG. 6. 

CLAIM The ornamental design for a scrub brush, as shown and described. 